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My version
>part of Tumblr's hayday, big pokephilia scene
>lots of various OCs taking questions and interacting with the community
>become friends with a number of them, plenty of DM threads
>lots of trading stories and art
>close friends with one girl, lesser known but fun ideas and art
>lewd DMs (but everyone was lewd DMing)
>chat about everything, but especially Pokemon in all forms
>turns to Snapchat friends
>year later in-person meet
>year later move in together
>marriage
>happy life happy wife
Now how could that apply to you? As long as you don't care about friendzone, you could befriend girls who like Pokemon or are in communities focused on it. If you become more, great! If not, you made an internet friend who you can keep or slowly lose touch with over time, as so often happens.
If you go in looking for a relation from the start, I'd think more likely to not succeed. Things like speed dating at cons might be more your starting point then.